protected void FetchAmount() { FloatAmountDAL theAmount = new FloatAmountDAL { ConnectionString = ConfigurationManager.ConnectionStrings["MySQLTest"].ToString() }; Double TotalAmount = Convert.ToDouble(theAmount.GetTotalAmount()); LblTotalAmount.Text = "Total remaining amount: " + TotalAmount; GVAmount.DataSource = theAmount.GetAmount(); GVAmount.DataBind(); }